7440002 has 8 divisors (see below), whose sum is σ = 11202300. Its totient is φ = 3705904.

The previous prime is 7439977. The next prime is 7440011. The reversal of 7440002 is 2000447.

It can be written as a sum of positive squares in 2 ways, for example, as 5997601 + 1442401 = 2449^2 + 1201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6377 + ... + 7452.

Almost surely, 2^7440002 is an apocalyptic number.

7440002 is a deficient number, since it is larger than the sum of its proper divisors (3762298).

7440002 is a wasteful number, since it uses less digits than its factorization.

7440002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14100.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 7440002 is about 2727.6367060149. The cubic root of 7440002 is about 195.2200190265.

Adding to 7440002 its reverse (2000447), we get a palindrome (9440449).

The spelling of 7440002 in words is "seven million, four hundred forty thousand, two".